Driver for Win98,­ Win2000,­ WinME,­ WinXP(SP2),­ WinXP 64bit,­ Win2003(x64bit) OS,­Vista X86 Instructions on How to download and install the driver properly: 1.­) Press Download button to download the desired driver.­ 2.­) Save it somewhere where you will remember after download.­ We recommend that you save it on your desktop,­ so it will be easy to find.­ 3.­) After successfully downloading the driver,­ do not open the driver file until you make sure the following has completed: ***REMOVE /­ UNINSTALL any original mouse driver from the PC.­ (If you forgot to do this part,­ your driver may not be able to install correctly and successfully later) 4.­) After the original mouse driver has been removed,­ open the downloaded file.­ 5.­) Follow the on-screen instructions.­ 6.­) When it's successfully installed,­ please restart your computer.­ 7.­) After you have restarted the computer,­ you will see on the bottom right corner of the taskbar a mouse icon.­ This means you have installed the driver successfully.­